Type of Arrhythmia

Packard Children’s Acute Success Rate

National Acute Success Rate

Supraventricular tachycardia (SVT or AVRT)

100%

95%

Wolff-Parkinson-White syndrome (WPW)

100%

93%

AV-nodal reentrant tachycardia (AVNRT)

97%

97%

Atrial tachycardia

100%

83%

Ventricular tachycardia

86%

72%

Source: IMPACT Registry®.